2352100120021 has 8 divisors (see below), whose sum is σ = 2516483304800. Its totient is φ = 2191775779440.

The previous prime is 2352100120009. The next prime is 2352100120031. The reversal of 2352100120021 is 1200210012532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2352100120021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2352100120031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014709851 + ... + 1014712168.

It is an arithmetic number, because the mean of its divisors is an integer number (314560413100).

Almost surely, 2^{2352100120021} is an apocalyptic number.

It is an amenable number.

2352100120021 is a deficient number, since it is larger than the sum of its proper divisors (164383184779).

2352100120021 is a wasteful number, since it uses less digits than its factorization.

2352100120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029422099.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 2352100120021 its reverse (1200210012532), we get a palindrome (3552310132553).

The spelling of 2352100120021 in words is "two trillion, three hundred fifty-two billion, one hundred million, one hundred twenty thousand, twenty-one".